Home / 37,426.71-51,648.99-20,431.33

Finding the Fourth Proportional to 37,426.71, 51,648.99 and 20,431.33

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Solution

The fourth proportional to 37,426.71, 51,648.99 and 20,431.33 is: 28,195.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,426.71 : 51,648.99 = 20,431.33 : x
  2. Step 2: Convert to fraction form
    37,426.71/51,648.99 = 20,431.33/x
  3. Step 3: Cross multiply
    37,426.71x = 51,648.99 × 20,431.33
  4. Step 4: Simplify right side
    37,426.71x = 1,055,257,353.12
  5. Step 5: Solve for x
    x = 1,055,257,353.12/37,426.71
  6. Step 6: Final answer
    x = 28,195.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.